Foldens Weather Records (CA006142420)

Record envelope, standing records and threshold days for Foldens (CA006142420), Ontario, Canada, with 54 years of record.

Key Facts for Foldens

Foldens (CA006142420) is a weather station in Ontario, Canada at 43.02 latitude and -80.78 longitude, 328 m (1,076 ft) above sea level.
The station reports from 1963 to 2016, 54 years of record.
1,464 records set at Foldens still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ontario, Canada, 43.02 latitude, -80.78 longitude.
Elevation: 328 m (1,076 ft).
Period of record: 1963 to 2016, 54 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Foldens. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Foldens, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.8 C (55.0 F)	-27.2 C (-17.0 F)	n/a	n/a
Feb	11.0 C (51.8 F)	-26.5 C (-15.7 F)	n/a	n/a
Mar	21.1 C (70.0 F)	-22.8 C (-9.0 F)	n/a	n/a
Apr	26.7 C (80.1 F)	-13.0 C (8.6 F)	n/a	n/a
May	31.1 C (88.0 F)	-4.0 C (24.8 F)	n/a	n/a
Jun	34.4 C (93.9 F)	0.0 C (32.0 F)	n/a	n/a
Jul	33.3 C (91.9 F)	5.6 C (42.1 F)	n/a	n/a
Aug	32.8 C (91.0 F)	2.0 C (35.6 F)	n/a	n/a
Sep	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	28.3 C (82.9 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-12.8 C (9.0 F)	n/a	n/a
Dec	18.0 C (64.4 F)	-24.0 C (-11.2 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Foldens still stand. 1965 holds the most, with 87.

Standing records at Foldens by the year they were set
Year set	Standing records
1963	55
1964	85
1965	87
1966	81
1967	86
1968	53
1969	52
1970	67
1971	73
1972	53
1973	80
1974	66
1975	66
1976	87
1977	84
1978	57
1979	87
1980	50
1981	60
1982	74
1983	61

Wettest Day of Each Month

Aug: 102.4 mm (4.0 in)

The wettest day on record for each calendar month at Foldens. The most was 102.4 mm (4.0 in) on 23 August 1974.

Record daily precipitation for each month at Foldens
Month	Record daily precipitation (mm)	Date
Jan	30.4 mm (1.2 in)	25 January 1978
Feb	33.4 mm (1.3 in)	10 February 1981
Mar	50.8 mm (2.0 in)	1 March 1972
Apr	47.2 mm (1.9 in)	13 April 1979
May	53.0 mm (2.1 in)	27 May 1982
Jun	77.7 mm (3.1 in)	28 June 1967
Jul	68.6 mm (2.7 in)	20 July 1976
Aug	102.4 mm (4.0 in)	23 August 1974
Sep	48.0 mm (1.9 in)	26 September 1972
Oct	42.2 mm (1.7 in)	29 October 1973
Nov	39.1 mm (1.5 in)	28 November 1968
Dec	63.0 mm (2.5 in)	6 December 1966

Period of Record Coverage

1963 to 1983

21 years of record at Foldens, 1963 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1963, 1968.

Days with data per year at Foldens
Year	Days with data	Share of year	Complete
1963	183	50%	No
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	306	84%	No
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	364	100%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

19 complete years, 1964 to 1983

One stripe for each of 19 complete years at Foldens, 1964 to 1983. Blue stripes are years cooler than the station's own mean of 7.3 C (45.1 F); red stripes are warmer. The coolest year was 1978, at 6.3 C (43.4 F), and the warmest was 1973, at 8.4 C (47.1 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Foldens as warming stripes, 1964 to 1983
Year	Annual mean temperature	Difference from the station mean
1964	7.7 C	+0.46 C
1965	6.9 C	-0.32 C
1966	7.2 C	-0.03 C
1967	7.0 C	-0.30 C
1969	7.3 C	+0.08 C
1970	7.4 C	+0.11 C
1971	7.8 C	+0.56 C
1972	6.7 C	-0.60 C
1973	8.4 C	+1.12 C
1974	7.3 C	+0.06 C
1975	8.0 C	+0.75 C
1976	6.6 C	-0.65 C
1977	7.5 C	+0.24 C
1978	6.3 C	-0.92 C
1979	6.8 C	-0.43 C
1980	6.6 C	-0.62 C
1981	7.3 C	+0.00 C
1982	7.2 C	-0.06 C
1983	7.8 C	+0.53 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1963 to 1983

Yearly extremes at Foldens: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.4 C (93.9 F)	1971	31.7 C (89.1 F)	21
Coldest night (TNn)	-27.2 C (-17.0 F)	1976	-23.3 C (-9.9 F)	21
Wettest day (Rx1day)	102.4 mm (4.0 in)	1974	53.2 mm (2.1 in)	21
Wettest five days (Rx5day)	139.7 mm (5.5 in)	1981	80.0 mm (3.1 in)	21
Longest dry spell (CDD)	31 days	1963	16 days	21

Hottest day (TXx)

The hottest day of the year at Foldens, 1963 to 1983. The record is 34.4 C (93.9 F) in 1971, marked on the chart; the median year is 31.7 C (89.1 F).

Hottest day (TXx) at Foldens by year
Year	Hottest day (TXx)
1963	31.1 C (88.0 F)
1964	32.8 C (91.0 F)
1965	31.1 C (88.0 F)
1966	33.3 C (91.9 F)
1967	31.7 C (89.1 F)
1968	32.2 C (90.0 F)
1969	32.2 C (90.0 F)
1970	31.1 C (88.0 F)
1971	34.4 C (93.9 F)
1972	31.7 C (89.1 F)
1973	33.3 C (91.9 F)
1974	31.7 C (89.1 F)
1975	32.8 C (91.0 F)
1976	30.6 C (87.1 F)
1977	33.3 C (91.9 F)
1978	32.5 C (90.5 F)
1979	30.5 C (86.9 F)
1980	30.0 C (86.0 F)
1981	31.0 C (87.8 F)
1982	29.5 C (85.1 F)
1983	32.0 C (89.6 F)

Coldest night (TNn)

The coldest night of the year at Foldens, 1963 to 1983. The record is -27.2 C (-17.0 F) in 1976, marked on the chart; the median year is -23.3 C (-9.9 F).

Coldest night (TNn) at Foldens by year
Year	Coldest night (TNn)
1963	-17.8 C (0.0 F)
1964	-20.0 C (-4.0 F)
1965	-23.3 C (-9.9 F)
1966	-23.3 C (-9.9 F)
1967	-23.3 C (-9.9 F)
1968	-17.2 C (1.0 F)
1969	-20.6 C (-5.1 F)
1970	-23.3 C (-9.9 F)
1971	-23.3 C (-9.9 F)
1972	-23.3 C (-9.9 F)
1973	-22.8 C (-9.0 F)
1974	-20.6 C (-5.1 F)
1975	-21.7 C (-7.1 F)
1976	-27.2 C (-17.0 F)
1977	-26.1 C (-15.0 F)
1978	-23.3 C (-9.9 F)
1979	-26.5 C (-15.7 F)
1980	-24.0 C (-11.2 F)
1981	-27.0 C (-16.6 F)
1982	-26.0 C (-14.8 F)
1983	-22.0 C (-7.6 F)

Wettest day (Rx1day)

The wettest day of the year at Foldens, 1963 to 1983. The record is 102.4 mm (4.0 in) in 1974, marked on the chart; the median year is 53.2 mm (2.1 in).

Wettest day (Rx1day) at Foldens by year
Year	Wettest day (Rx1day)
1963	20.3 mm (0.8 in)
1964	58.9 mm (2.3 in)
1965	40.6 mm (1.6 in)
1966	63.0 mm (2.5 in)
1967	77.7 mm (3.1 in)
1968	71.1 mm (2.8 in)
1969	39.9 mm (1.6 in)
1970	39.9 mm (1.6 in)
1971	27.9 mm (1.1 in)
1972	94.2 mm (3.7 in)
1973	42.9 mm (1.7 in)
1974	102.4 mm (4.0 in)
1975	50.3 mm (2.0 in)
1976	68.6 mm (2.7 in)
1977	36.6 mm (1.4 in)
1978	31.2 mm (1.2 in)
1979	67.0 mm (2.6 in)
1980	53.2 mm (2.1 in)
1981	56.6 mm (2.2 in)
1982	53.0 mm (2.1 in)
1983	57.8 mm (2.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Foldens, 1963 to 1983. The record is 139.7 mm (5.5 in) in 1981, marked on the chart; the median year is 80.0 mm (3.1 in).

Wettest five days (Rx5day) at Foldens by year
Year	Wettest five days (Rx5day)
1963	31.0 mm (1.2 in)
1964	92.8 mm (3.7 in)
1965	59.9 mm (2.4 in)
1966	115.6 mm (4.6 in)
1967	89.1 mm (3.5 in)
1968	99.0 mm (3.9 in)
1969	51.2 mm (2.0 in)
1970	45.6 mm (1.8 in)
1971	35.3 mm (1.4 in)
1972	114.3 mm (4.5 in)
1973	87.4 mm (3.4 in)
1974	105.7 mm (4.2 in)
1975	66.6 mm (2.6 in)
1976	80.0 mm (3.1 in)
1977	97.0 mm (3.8 in)
1978	66.4 mm (2.6 in)
1979	75.0 mm (3.0 in)
1980	68.6 mm (2.7 in)
1981	139.7 mm (5.5 in)
1982	60.8 mm (2.4 in)
1983	138.0 mm (5.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Foldens, 1963 to 1983. The record is 31 days in 1963, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Foldens by year
Year	Longest dry spell (CDD)
1963	31 days
1964	11 days
1965	14 days
1966	20 days
1967	21 days
1968	10 days
1969	30 days
1970	14 days
1971	17 days
1972	15 days
1973	27 days
1974	10 days
1975	16 days
1976	14 days
1977	12 days
1978	18 days
1979	23 days
1980	15 days
1981	13 days
1982	16 days
1983	20 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Foldens standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Foldens threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).